Coproporphyrinogen-III oxidase, aerobic HEM6_VIBCH MESIVDKQAVKHFLLQLQDKICQQLEATDGQAQFIEDAWQREPGEKLGGGGRTRVMREGAVFEQGGVNFSHVFGEQMPASATAHRPELAGRRFEAMGVSLVMHPKNPYVPTSHANVRFFIAEKEGEAPIWWFGGGFDLTPFYPFVEDGQHWHQTAKNICAPFGSEIYNEHKAWCDRYFYLPHRNETRGIGGLFFDDLNEWSFEQCFAYMQAVGEGYTQAYVPIVEKRKNTPFTERERQFQLYRRGRYVEFNLVLDRGTLFGLQTGGRTESILMSMPPLARWEYAYQPQAGTPEAKLSEFLVPREW VC_0055 Key enzyme in heme biosynthesis. Catalyzes the oxidative decarboxylation of propionic acid side chains of rings A and B of coproporphyrinogen III (By similarity). hemF 305